Name: Pollen forecast for Hammersmith and Fulham (2026-05-20)
Creator: Pollen Count
Published: 2026-05-20T14:02:53Z
License: https://pollencount.org/terms/

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About Pollen in Hammersmith and Fulham

Spring pollen peaks March-May: Birch and Oak dominate, originating from Ravenscourt Park, Wormwood Scrubs, and extensive street tree networks; summer sees high Grass pollen counts May-July from Thames riverbanks, local meadows, and sports fields.

Urban density and Thames-side corridors in Hammersmith and Fulham can concentrate pollen locally, intensified by wind patterns; late autumn/winter mould spores are prevalent due to decomposing leaf litter in green spaces and damp areas along the river.

HIGH

13 active species

Refreshing live forecast…

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4-Day Forecast:

Morning

Grass MED

Tree V.HI

Weed LOW

Afternoon

Grass MED

Tree HIGH

Weed LOW

Evening

Grass LOW

Tree MED

Weed LOW

Species	Level	Count
🌳 Holm Oak	HIGH	70 grains/m³
🌳 English Oak	HIGH	70 grains/m³
🌳 London Plane	HIGH	61 grains/m³
🌳 White Oak	MED	45 grains/m³
🌳 Paper Birch	MED	30 grains/m³
+35 more tracked Downy Birch Perennial Ryegrass Ribwort Plantain Cock's-foot Grass (mixed) Common Sorrel Pigweed Stinging Nettle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS
🌳 Holm Oak	HIGH	79 grains/m³
🌳 English Oak	HIGH	79 grains/m³
🌳 London Plane	HIGH	68 grains/m³
🌳 White Oak	HIGH	51 grains/m³
🌳 Paper Birch	MED	33 grains/m³
+35 more tracked Downy Birch Perennial Ryegrass Ribwort Plantain Cock's-foot Common Sorrel Grass (mixed) Pigweed Stinging Nettle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS
🌳 Holm Oak	HIGH	70 grains/m³
🌳 English Oak	HIGH	70 grains/m³
🌳 London Plane	HIGH	60 grains/m³
🌳 White Oak	MED	45 grains/m³
🌳 Paper Birch	MED	30 grains/m³
+35 more tracked Downy Birch Perennial Ryegrass Ribwort Plantain Cock's-foot Common Sorrel Pigweed Grass (mixed) Stinging Nettle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS
🌳 Holm Oak	MED	33 grains/m³
🌳 English Oak	MED	33 grains/m³
🌳 London Plane	MED	28 grains/m³
🌳 White Oak	MED	21 grains/m³
🌳 Paper Birch	MED	14 grains/m³
+35 more tracked Downy Birch Perennial Ryegrass Ribwort Plantain Cock's-foot Grass (mixed) Common Sorrel Pigweed Stinging Nettle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS

Last updated: 14:02 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	HIGH	MED	LOW
Thu 21 May	HIGH	MED	MED
Fri 22 May	HIGH	MED	MED
Sat 23 May	MED	MED	MED

Map of Hammersmith and Fulham (51.52689°, -0.250838°)

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What Pollen Levels Mean

LOW Symptoms are unlikely

MED Moderate risk of symptoms

HIGH Widespread symptoms likely

V.HI Expect significant symptoms

X.HI Extremely high symptom likelihood & severity